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Carol from Clemmons, Nc writes

How soon can I apply a second dose of QuinKill Max Crabgrass and Weed Killer to the crabgrass that appears to not be affected by the first dose?

I applied QuinKill Max Crabgrass and Weed Killer along with Speedzone and a sticky agent. Most weeds are dead or dying, but some didn't seem to be affected. It was morning with dew on the grass, so I feel I need to reapply in the evening. How soon can I do that? Is spot treatment OK in that case? Having lawn plugged and seeded in a couple of weeks, so am in a hurry.

Answer:

QuinKill Max Crabgrass and Weed Killer can be reapplied 2-3 weeks after first treatment. It is normal not to see a burn down just yet. This can tak at least 2 weeks to occur.

Answer last updated on: 09/02/2016

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